maxframe.dataframe.Series.list.__getitem__#

Series.list.__getitem__(query_index)#

Get the value by the index of each list in the Series. If the index is not in the list, raise IndexError.

Parameters:

query_index (Any) – The index to check, must be integer.

Returns:

A Series with the list value’s data type. Return None if the list is None.

Return type:

Series

Raises:

KeyError – If the index is not in one list.

See also

Series.list.get

Get the value by the index of each list in the Series.

Examples

Create a series with list type data.

>>> import maxframe.dataframe as md
>>> import pyarrow as pa
>>> from maxframe.lib.dtypes_extension import list_
>>> s = md.Series(
...     data=[[1, 2, 3], [4, 5, 6], None],
...     index=[1, 2, 3],
...     dtype=list_(pa.int64()),
... )
>>> s.execute()
1    [1, 2, 3]
2    [4, 5, 6]
3         <NA>
dtype: list<int64>[pyarrow]

>>> s.list.get(0).execute()
1       1
2       4
3    <NA>
dtype: int64[pyarrow]